technology

technology

Making Satel Opal Plus motion sensor wireless with Fibaro Smart Implant

It is possible to make wire based motion sensor from Satel, wireles using Zwave network. Satel Opal, Opal Plus and Opal Pro have similar case which can hold additional module of Fibaro Smart Implant. On the picture below is on the bottom right side on the case, just below the sensor module. It fits quite well here. Both sensor and implant are powered by 12V DC, so you need to have only 2 wires coming to the sensor intead of 3 or more. It is especially important if you already made in-soil wiring and would not like to change it

technology

Fibaro Home Center 3 vs OpenHAB

Recently we’ve ordered Fibaro’s HC3 as a replacement for OpenHAB. First because it has integration with Satel alarm system and second that it has native Zigbee support next to default Zwave. OpenHAB also has support for Satel and by using external adapter you can connect Zigbee devices too. So why change OpenHAB to HC3 you can ask. Because it is a commercial product with a support and it feels like a product even if OH has similar or greater capabilites in few areas. Any cons? Sure thery are. Although it supports Nice devices like gates and garage doors, it works

technology

Fixing Ubuntu 22 camera recording

I tried to record video on my Dell G15 laptop using built-in camera. Unfortunately, by default it does not work. I tried Cheese and Webcamoid using several different settings. Cheese did not work with both built-in and external camera. Webcamoid worked with external camera only. Finally I decided to try OBS-STUDIO and still built-in camera was crashing this piece of software also. To fix this problem you could try to disable AppArmor: If it is the case, then you can try to find which AppArmor profile is responsible for blocking camera recording. For me, it was the case. Now I

technology

Turn on/off Samsung SmartThings A/C from Fibaro HC3

In order to integrate your SmartThings devices into Fibaro HC3 you need to create access token and review API documention which can be found here: https://developer.smartthings.com/docs/api/public#tag/Devices/operation/getDevices Then, to send on or off command to your device, grab its UUID, create QuickApp with the following code:

technology

Recovering Sentry from disk full state

If you have Sentry on-premise installed and run out of space, then bringing it back can be a little bit tricky. Especially if you have tons of projects configured with loads of data coming into it. If you can accept some in-memory data to be lost then search for redis container and flush it. Sentry can use hundreds of GB of both RAM and swap and still do not start. So, first search for Redis, as it ca be named differently depending on your Sentry version: Once you flushed Redis, run full restart and it should start within acceptable time

technology

Connecting WiZ LED lights to Fibaro HC3

In popular DIY markets you can buy Philips WiZ LED light bulbs. They are affordable choice over Hue lights. WiZ lights operate thru WiFi connection and can be integrated easily within OpenHAB system as a wizlighting binding coming from marketplace. However it is not a case in Fibaro HC3 where there is no direct integration. However… you can create your own QuickApp application and insert custom Lua code to communicate over UDP with those LED bulbs. To get status of a bulb (a.b.c.d is a IPv4 address): To turn on the light: To turn off the light: And here we

technology

E-mail Service Desk with self-hosted GitLab EE and iRedMail

In order to process incoming e-mail messages as issues registered in GitLab you need to have catch-all mailbox and GitLab configured to handle it. However, there are few quirks you need to know when setting it up. Assuming you have GitLab installed as well as iRedMail. iRedMail First, create new mailbox in iRedMail admin panel. Then manually create forwarding record. You could skip this is you purchased iRedMail Pro: At this point you can check if catch-all feature is working by sending mail to non existing mailbox user. What is especially important is to verify if messages will come once

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Encrypt with LUKS an unencrypted LVM Ubuntu 22 Server without system reinstallation

Keep your data safe. Device loss or unauthorized access can be mitigated by encrypting drive in your server and workstation. So you may have a Ubuntu Linux installation on your bare metal or virtual machine. Does it have an encrypted drive? If the answer is no, then you could be in trouble when device is stolen or lost, or someone just gained unauthorized access to your hardware. In this short step-by-step article you can see what steps your should take to encrypt your unencrypted drives without need to reinstall the system. When speaking workstation, there is much less concern about

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External and redundand Azure VM backups with Veeam to remote site

Backup is a must. Primary hardware fails. Local backups can also fail or can be inaccessible. Remote backups can also fail, but if you have 2, 3 or even more backup copies in different places and on various medium chances are high enough that you will survive major incidents without data loss or too much of being offline. Talking about Microsoft Azure public cloud platform. But in case of any infrastructure environment you should have working and verified backup tools. Azure has its own. To keep those backups in secure remote place (in the context of Storage Account) you can